The city is in mourning after a beloved Police Officer is shot and killed on duty. Vic and P chase a suspect that following an altercation with another officer. The dangers of the job become real when Vic and P are called to assist other officers who were shot at by a suspect while serving a warrant. Titus and Dan deal with a tough patient who takes a swing at Titus. Holly and Nick treat a woman who has her leg mangled in a bicycle accident.